"The 33"-Road Bike RacingWe set this forum up for our members to discuss their experiences in either pro or amateur racing, whether they are the big races, or even the small backyard races. Don't forget to update all the members with your own race results.

Tufo makes the good extenders 60 mm long. With those you remove the valve core, screw in the extender, then reinsert the valve core. I wish I had gone that route but I ended up using the Zipp extenders. They work fine I'm just worried if I get a flat the PittStop sealant may not work.